The Basilica of St. Peter is a renowned church located in Vatican City, considered one of the holiest sites in Christianity. It was built over the tomb of Saint Peter, one of Jesus Christ's apostles and the first Pope. The basilica is an architectural masterpiece, featuring a grand dome designed by Michelangelo and stunning artworks, including Bernini's famous baldachin. Construction of the basilica began in 1506 and was completed in 1626. It serves as a major pilgrimage site and is the center of the Catholic Church. The basilica's impressive façade and interior attract millions of visitors each year, making it a significant cultural and religious landmark.